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Mathematics 20 Online
OpenStudy (anonymous):

what is the measure of angle B in degrees? pic below

OpenStudy (anonymous):

OpenStudy (anonymous):

Because this is an equalaterial triangle we know all angles will be the same measurement. Do you know how many degrees to a triangle? According to the triangle angle sum therm.

OpenStudy (anonymous):

180 degrees are in a triangle. Since there are three angles to this triangle, divide 180 by 3. that equates to 60 degree angles.

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